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US Patent: 2,622,375
Grinding Machine
Patentees: Frederick S. Haas (exact or similar names) - Orgonia, Warren County, OH Winthrop Trible (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 451/247, 451/401, 451/403 Tool Categories: metalworking machines : grinders : surface grinders Assignees: Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 06, 1949 Granted: Dec. 23, 1952 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Cincinnati Milling Machine Co.

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